.theoretical-bg {
	width: 1280px;
	height: 720px;
	background: url(../images/background.png) no-repeat left top;
	color: black
}

.theoretical-bg>div {
	position: absolute;
	box-sizing: border-box;
	border: 6px solid transparent;
}

.theoretical-bg>div>img {
	height: 100%;
	width: 100%;
}
.content{
	padding: 0px 10px;
}
.theoretical-bg>div:nth-child(3) {
	top: 240px;
	left: 102px;
	width: 280px;
	height: 195px;
	border: 6px solid rgba(255, 255, 255, 0.2);
	border-radius:10px; 
	/* opacity: 0; */
	overflow: hidden;
}

.theoretical-bg>div:nth-child(4) {
	top: 162px;
	left: 90px;
	font-size: 32px; 
	width: 1110px;
	min-height: 50px;
	text-align: center;
	/*transform: translate(-50%, -50%);*/
}
.info div{
	width: 100%;
	
	word-wrap:break-word ;
	vertical-align: middle;
}

.theoretical-bg>div:nth-child(5) {
	top: 240px;
    left: 410px;
    width: 775px;
	height: 353px;
	font-size: 24px; 
	border: 6px solid rgba(255, 255, 255, 0.2);
	border-radius:10px; 
	overflow: hidden;
}

.theoretical-bg>div:nth-child(5) img{
	/* display: none; */
	max-width: 100%;
	max-height: 340px;
	/*text-align: center;*/
	/*display: block;*/
	
}

#white-bg{
	opacity: 0.3;
	position: absolute;
	width: 1165px;
	height: 510px;
	background: white;
	top: 120px;
	left: 60px;
}

#blue-bg{
	position: absolute;
	/*background: #005595;*/
	width: 1122px;
	height: 475px;
	top: 140px;
	left: 80px;
}

.alearts{
	position: absolute;
	float: left;
	width: 100%;
	text-align: center;
	font-size:20px;
	background: rgba(0, 0, 0, 0.5) ;
	height: 40px;
	line-height: 40px;
	top: 150px;
	border-radius:0px 0px 10px 10px; 
}
.active {
	border: solid 6px #ffff00 !important;
	border-radius:10px; 
}
.active .alearts{
	background: burlywood;
}

#like {
    width: 100px;
    height: 120px;
    position: absolute;
    bottom: 125px;
    left: 100px;
    text-align: center;
    background: url(../images/like-1.png) no-repeat;
    background-position: top center;
    background-size: 60px 60px;
    padding-top: 80px;
    font-size: 15px;
    color: black;
}
.share {
    width: 100px;
    height: 120px;
    position: absolute !important;
    bottom: 125px;
    left: 288px;
    text-align: center;
    /* background: url(../images/qrcode.png) no-repeat; */
    background-position: top center;
    background-size: 60px 60px;
    padding-top: 80px;
    font-size: 15px;
    color: black;
    box-sizing: border-box !important;
}

.share img {
    position: absolute;
    width: 70px !important;
    height: 70px !important;
    top: 0px;
    left: 13px;
}
